US Air Force MASTER Sergeant Rod Alne (left) and USAF SENIOR AIRMAN Carrie Lewis scale a sheer mountain face in the White Mountains of New Hampshire. That's a small feat when compared to the 12,000-foot cliff face they attacked in December in Argentina. From the March 2000 AIRMAN Magazine article "Expeditionary Force?" Four airmen competed in the Discovery Channel's Eco-Challenge in Argentina last December (1999). They placed 22nd out of 50 teams entered and are looking forward to Eco-Challenge 2000